Elastic-fluid dust separating and collecting system



Dec. 16, 1930.

G. M. SPENCER ELASTIC FLUID DU ST SEPARATING AND COLLECTING SYSTEM Filed Aug.

- 1N VENTOR 'M/L- ATTORNEY Patented 16;.1ef0

fi 1,7s5,331

,sEoRen-iyr. srEnoER, ors'n nouis inssooai I 1 E AsTIo-j LUIn inirsr snranntrifne A111) fooLr;is-"orins 1 fhpplicationyfileilAugust 14,1928; Serial No. 29. 53711 invention is shown herein a's eiiibodied the top side wallsof the top section in a novel construction comprising centrif-= form an annular -'chamber 14 (he {wall 11 ugal chamber to mass and separate "the'inao fthe inlet connection 8 extends tangentially 'terial at the outer edge of the air stream, an to the outer walliof the tube 9, t direct the eexhaust and dust exit at the outer ljedgefof airtangentiall'yintothechamber 14. The555- V thechamber, and a dust-trappingmemberat spacebetween the'outer rim of the plate 13 l v V the outer edge ofthe air stream to brush the and the sidewall ofthe top section provides massed. particles free of the airstreain and a narrow5'elongztted exhaustand dust exit 15 1 into the mouth of a, dust hopper. The'sepaat the-outeredge of the chamber 14:: A dust -'-1fl"ration of dust particles is aided by afnon ,tr'appingand deflecting brush 16, formed of so chokable filtering mass within an interior v hair or slender wire strands, is secured to the chamber to collect any extremelysmall parwairof chamber 14, such'meniber preferably ticles which may reach such chamber. 'The 't'akln'gj-the form of an annular, brush" atfriction between the stream of air and the tached'at its upper edgeito the wall of the;

.15 Walls of the deviceis reduced to a minimum, top section 5 and composedoffilainents,the

and all parts are arranged in a c'ompactoper- .lQWer ends, Of which are free and extend ating unit, instantly accessible withoutfthe downwardly and inwardly into theinlet' 15,

useof tools or skill. The device is provided "*the aircurrent causes mar en-1 with an automatic clean-outmeans and opjbrate and any dust particle not deflected erates efliciently throughoutwide variations through the strands will gravitatedownof t of flow; p ward. Due to the flexibility and positioning Y I prefer to: make the; deyice fromsheet Oi'thefilaments of thedefiecting means 16, 7 metal with standard lap, -riv eted, -or brazed he I'GbOllIlCllI'lgOf pal'tlcles is p event and tu'res may be made from coredcastings; V ny particle'cwhichgengages the deflecting '75 Referring to the accompanying-drawing; m an ver befreturned into thee- 1" in which an embodiment of theiinvention' is st e m; I I f p c j shown, w hln the lowerfhopper sectionfian in- Fig. 1 is a View in verticali'section,showg lj pp 560131011 20 P i ClTi'Ii O- ing the parts as assenibledg randi' v Fig.2 isatop plan view-,the structure of Wlthlfifi? sloplng walls unlformlyspaced'from certain ofthe parts beingshOWnIindotted 13 1 110191961 se'ctlon 6, by' a plurality of. narli p g: j 1 row bars its top the inner hopper see- 'As' shown in Fig. 1 a walled circular top tlon 20,-has .a cylindrical wall-18, the upper V sectioni5, anda lower hopper section 6, wan; edge o f-"whi'ch terminates somewhatbelow a'dust exit at the lower end thereoflfare eon; the 1I'eSp0I1 i11 gf pper edge of the hopper n'ected ataseparab-le sleeve joint-f7. An in-; ectlon 6, so that'it is slightly spaced from 7 let connection 8, is provided, extending t e plate" l3"to"fo-rm a narrow circumferthrough the sidel-wall'of thetopcasingfi;'entlalpassagelfl v Ang outlet tube 9-having a'flangedcollar 10 filterlng mass 22 of loosely-packed between its ends, extends through the central fibrousmateri Such as curledrhair, i 6- 7 portion of the top casing 5 and is -brazed 'ly held'in place within th-e top'of the inner thereto one end 12 forming-ran outlet-leadl 10pper1section2-0, beingpreferablysupp Orte' C to atmosphere, or iorreturn toa supply ed on afwire screen disk raw-masts, in

a closed system. V of the cylindrical'wall 18, and a' s'econ'd'wire The top section'5 hasacircular-floorilplate screen disk '28 isjpreferably provided at the 13, the central portion of which is perfo: top of thefiltering mass to engagethelower rated to fit the' outer wall of tube 9la'nd" isfopen'end of the outlet tube 9, Itwill'be 1570 brazed thereto, the platebing spaced-from understood that the filtering mass 'may be I means although some of the small sized genie; the dust collecting efiioiene'y in r d nc 1 V V axial relation: and preferablyfheldxin place, so

7 source, when the operationis made through the-hopper'at the angle formed at the bottomi thehopper 20; p o 5 The lowerend of the ifnner hopper 20 is] provided with a tubul'ar'lp'orti'on 23 which" erminates ithia mout fa med t e bottom of theouter-hopper 6, anvannular formedof materials other than hair, such as" fibers, metallic filaments or a mixture of such filamentary materials. The structure of the filtering mass should be such thatthe air,

may easily pass through it yet sufficiently densefthat thefdust particles which may be' still entrained in the air stream; as it enters the narrow-- opening 171 williengage the strands and be deflected'orstopped, and, as

the filtering mass is vibrated, will -settleb'y gravity through the filtering ass and-wire screen- 19 and fall into the lowerpportion oi' t tic h h pre .6; be n heses-t da V about the outlet of the inner hpppen 20, A

light disk valve member. '24, for; simultanevice toipermit' accumulated dust particles to fall out of the hoppers 6 and '20, 'an d, it

;the device is used under conditionswhere j there would be no pulsationof the airstream orlwhere the pressure within the hoppers wvould be above atmosphericpressure, the valve-24 may be replaced by a suitable re- ,movable cap.

If the air carr es aconsiderableiquantity of comparatively large,dust-particles, or if it .is desired to sort out the coarser dust particles, an auxiliary "hopper" 130 is used,

through: which the ai-n is passedibefore enter iing the inlet,8; As shownthe auxiliary hopper 30 has a tubulariinlet 29, which is expanded at 32, and a laterallyegatending tui v V i particles, and a deflecting memberfit which b 13 ou e 3g, ad pted;tQ fit the inlet 80f the-top section 5i The auxiliary-hopper 30 is, preferably "composed "of, a top i portion, in which the inlet and; outletfareformcdifa portion to facilitate removal of: thereollected may take'theform of a'fperforated plate size from: entering such outlet. 5

c The'hopper. 30 will act as a momentum which maybe still ,entrained in the air stream; toward the outen cylindrical: wallof the chamber l4 'and; as the-air pasfses down 7 w l y hrQ gh-the; p r inhenal pening 15,

strikethe filaments of the deflecting brush 16 and be' deflected or fall into the bottom o-f:the outerho-pper 6 about the tubular portion 23. From the opening the stream ofair follows a laterally and upwardly curving path to enter-laterally intof'the narrow elongated opening 17, being then again directeddownwardly by the protruding end of theoutlet tube 9 so that, to reach the outlet tube 9 it must follow a laterally-and upwardly curving path through the fibrous filtering mass 22 which will detrainfrom the air stream any fine particles which 'may remain and permit them to settle by'gravityjmto' the bottom of the inner hopper, and the-tubular portion 23;

While one embodiment of the invention 7 has 'beenshown and described it will be understood that many changes may bc made n thestructural details with n the'scope of the following clalms in which the inventlon is defined.

An air cleaner comprislng a casing having a body portion and a cover portion, said "cover portion having an outlet therein, a dia 'phra-gm having. a partof its edge spaced from the wall of said casing to define a narrowperipheral passageway, and an interior casing surrounding; the lower end of said outlet and having its upper edgespaced from saidrdlaphragm and inwardly from the periphery thereof. t

2; An air cleaner eom prisl-nga casing havinga body port on and acover portion, a

diaphragmhaving a partofi-ts edge spaced from thewal-l ofjsaid casing todefinea narrow peripheral passageway, an outlet tube extending v downw'ardly through said diaphragm, and an interior casing surrounding I the lower portion of said outlet tube with its upperedge above the: lower edge of said v outlet tube and spaced from said diaphragm t nwardly "from the periphery thereof.

An air. cleaner comprislng acasing haybody portion-and a CQXQI'yPOTtlOIl, a

4 I -diaphra m,havin a Dart of its'ed e's )aced body portion a'nda removablecap-"3 1 for P h a 1 b l .closing' an opening at "the bottom of the bod'v' extending downwardly through said; diaphragm,isaid casinghaving a tangentially p V V V directed inlet above said diaphragm, an-inte: or screen, mesh,1s secured'to the top portion;

- and curved across the entrancetotheoutlet -33 to prevent particles of anyfconsiderable riorcasinghaving its upper edge'spacedfrom the-uppen portion from thoseot saidbuter casing, and a diaphragm substantially closing the-tops of said cas ngs, havingatleast partoi its edge spaced inwardly from thewvall of said outer casing touformr a 7 narrow peripheral inlet to direct the air downwardly between said cas- "ings andspaced the top edge of :said inner casing todefine a narrowinlet. to direct the air laterallyto thetop'jof said inner casing. v I

'5. An air cleaner comprising a casing' a diaphragm having a .part'ofits edge spaced a from the wall ofsai'd'casing to define a na'r: row peripheral passageway, and a filter member arranged in said passageway and comprising aplurality of perpendicularly disposed filaments.

6. An air cleaner comprising a casing; a diaphragm-within said casing and peripherally spaced from the wall of said casing is to define a 'narrow' peripheralpas'sageway, a cover closing the top of said casing and hav ing a tangentiallydirected inlet, and a curved brush arranged in the peripheral passageway 1 i and comprising a,plu1'ality. of downwardly directed filaments. a 7. An air cleaner comprising a casing, a

diaphragm substantially closing said casing having a part of its edge spaced from the.

wall of said casing to define a, narrow pe ripheral passageway, andafilter member arranged adjacent to and extending downv Wardly and inwardly from saidpassageway.

8. An air cleaner comprising a casing, a

diaphragm substantially closing the top of said casing and having a portion thereof peripherally spaced from the Wall of said casing to define a 'narrowp'assageway'a cover" closing the top of sald casing and having a tangentially directed inlet above said diaphragm, and filtering means supported ad'- jacent said passageway and extending down-' wardly therefrom; j

79. An air cleaner comprising alcasing, a

diaphragm substantially closing the top-ofsaid casing and having a portionthereof" peripherally spaced from theowall of said casing to define a narrow passageway, a p 7 cover closing the top of said casing and hav- 7 ing a tangentially directed inlet, and a brush Q supported adjacentthe narrow inlet into said casing and comprising a pluralityof fila ments extending downwardly from said pas} sageway.

GEORGE s1 E-NQE V 

